Easy! Run this command and that is:
docker run --restart=always -p 9000:9000 mikolatero/php5.6-fpm-alpine
php5
php5-bcmath
php5-dom
php5-ctype
php5-curl
php5-fpm
php5-gd
php5-iconv
php5-intl
php5-json
php5-mcrypt
php5-opcache
php5-openssl
php5-pdo
php5-pdo_mysql
php5-pdo_pgsql
php5-pdo_sqlite
php5-phar
php5-posix
php5-soap
php5-xml